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1631 articles for “Abstractive”
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CFD Analysis on Pump as Turbine (PAT) for Small and Micro Hydropower Plant
Abstract: AbstractMicro and small hydropower is an effective option for generating electricity, with low cost and impact on the environment. In this application the Pump-as-turbine (PAT) solution has promise due to its low purchase and maintenance costs. In this paper, the work over two designs of pump as turbine: 4 blade pump as turbine and 8 blade pump as turbine is studied and applied. The result revealed a better performance of …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 8–14 Read article
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Optimizing Solar System Efficiency: A Study on Varied Control Grid Configurations
Abstract: This scholarly investigation delves into the multifaceted domain of regulatory matrices within solar photovoltaic (PV) structures, with a paramount emphasis on their pivotal function in optimizing the generation and amalgamation of solar energy. In contrast to the preceding abstract, which accentuated the fundamental constituents of PV structures and their interaction with the electrical network, this scholarly work delves profoundly into the diverse strategies employed in solar configurations to amplify efficiency …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 2, 2023 · pp. 1–9 Read article
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Object Tracking Using Finite Element Method and Branching Filter
Abstract: AbstractWe present an approach to robustly track the object behavior that turns over time from a set of input points from a single viewpoint. The distortions considered are caused by applying forces to known Harris function on the object’s surface. Our method combines the use of prior information on the geometry of the object modeled by a smooth template and the use of a finite element method to predict the …
Published in Current Trends in Signal Processing · Vol. 7, Issue 3, 2017 · pp. 35–40 Read article
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Effective FPGA Implementation of Comb Filters to Improve Perception of Sensorineural Hearing Impaired
Abstract: AbstractIn this paper, effective method for implementation of comb filter on FPGA platform has been proposed. This work is intended for hearing aid to be used for people suffering from sensorineural hearing loss. The algorithmic implementation on FPGA is intricate during the design process. Here we propose effective and simplified approach for implementation of comb filter with 512 coefficients using Spartan-6 FPGA for dichotic presentation. The design of comb filter …
Published in Current Trends in Signal Processing · Vol. 7, Issue 3, 2017 · pp. 15–29 Read article
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Speaker Segmentation Using Non Linear Energy Operator Based Variance Spectral Flux
Abstract: AbstractSpeaker segmentation is considered to be a process that attempts to find speaker segment boundaries in a given audio stream. It can be used in various applications of speaker diarization, speaker indexing, word count etc. Classification of speech and non-speech can be obtained by traditional method of variance spectral flux (VSF). In this paper, we investigate the new techniques to perform the speaker segmentation task for multiple speakers in one …
Published in Current Trends in Signal Processing · Vol. 7, Issue 3, 2017 · pp. 1–6 Read article
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Harmonic Analysis of Arterial Blood Pressure Signal Using Fourier Decomposition for Autonomic Health Assessment
Abstract: AbstractIn the present study, the arterial blood pressure waveform is decomposed utilizing Fourier to examine the fundamental frequency and to build up a linkage for autonomic health assessment. This methodology will produce practically identical fundamental frequency, either utilizing noninvasively recorded photoplethysmogram (PPG) or the blood pressure signal. In order to normalize the both, signal PPG waveform is approximated to arterial blood pressure waveform by nonlinear fitting blood pressure values to …
Published in Current Trends in Signal Processing · Vol. 7, Issue 3, 2017 · pp. 7–14 Read article
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P- and T-wave Characterization in the Presence of U-wave in Electrocardiogram
Abstract: AbstractEven after being noticed around a century ago the U-wave has not been studied much as compared to the other waveforms of the electrocardiogram (ECG). In this proposed work the effect of presence of U-wave on morphology of P-waves and T-waves has been studied. Characteristics of P-waves and T-waves from ECG beats with an U-wave has been compared with the P-waves and T-waves from ECG beat with an U-wave. Arithmetic …
Published in Current Trends in Signal Processing · Vol. 7, Issue 3, 2017 · pp. 30–34 Read article
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Load Balancing Approach for Proposed Hybrid Scheduling Algorithm in Heterogeneous Networks
Abstract: AbstractRecent developments in multiple technologies evolving nowadays provide users with broadband services of high quality and seamless mobility. Wireless networks comprising of third generation (3G) and fourth generation (4G) are on the verge to provide wide coverage and good mobility capabilities. All these high quality wireless networks have been deployed within one region overlapping each other, hence generating a heterogeneous network for wireless access which can be represented as 4G …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 1–9 Read article
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Analysis of Swastika (Mythological Symbol) Shaped Split-Ring Resonators and Complementary Split-Ring Resonators Coupled to Planar Microstrip Transmission Lines and Microstrip Patch Antenna
Abstract: AbstractHere in this paper, we have developed a new kind of metamaterial unit cell in the shape of a Hindu mythological symbol ‘Swastik’. Here we designed and analyzed the behavior of split ring resonators (SRRs), complementary split ring resonators (CSRRs) and microstrip transmission line. Here we also investigated the electromagnetic behavior of microstrip transmission line coupled with metamaterial unit cells. The proposed analysis is useful to design the compact microwave …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 10–22 Read article
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Video Anomaly Detection using Kalman Based Support Vector Technique
Abstract: AbstractThe digital video processing technology has boomed since last many years. The video processing is done using sum of absolute differences and with the image processing block set. We first calculate motion vectors between successive frames and use them to reduce redundant information. The method uses optical flow algorithm to calculate changes in the intensity of the pixels of the images. Median filtering is used for background extraction which is …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 4–11 Read article
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INVESTIGATION OF MICROSTRIP BANDPASS FILTER FOR S-BAND APPLICATION
Abstract: Abstract— Microstrip bandpass filter is presented in this paper for S-band application. The filter employs the microstrip line with port matching topology and plane ground to operate in S-band frequency range. CST Microwave Studio simulator is used for simulation and Rohde & Schwarz Vector Network Analyzer is used for measurement. Filter has size of 120 mm x20 mm and fabricated using low cost FR-4 substrate of 1.6 mm thickness and …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 28–32 Read article
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Design of a Capacitive Loaded and Composite Split Ring Resonator Based Monopole Patch Antenna
Abstract: AbstractHere we have designed a monopole antenna at 2.8 GHz frequency and then we have loaded a metamaterial unit cell at the top of the monopole antenna and the same unit cell is also used as composite split ring resonator (CSRR) and incorporates with the same antenna. In both of the cases we have calculate the resonant frequency and gain of the antenna.Keywords: Metamaterials, microwave filters, splitring resonators (SRRs)\Cite this …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 23–27 Read article
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Reduction of Mutual Coupling Losses for Dual-frequency Patch Antennas Using Modified Microstrip I-Section
Abstract: AbstractIn this paper, a compact design using modified “I” shaped microstrip section between dual frequency patch antenna array to reduce mutual coupling is presented. Problem of performance degradation of an antenna has to be faced because of mutual coupling. The results of simulation show that coupling reduced from –11.3 to –7.91 dB at 2.40 GHz and from –18.3 to –14.70 dB at 4.5 GHz. Description of antenna design and results …
Published in Current Trends in Signal Processing · Vol. 8, Issue 1, 2018 · pp. 33–38 Read article
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Blynk-based Water Level Monitoring System
Abstract: AbstractIn this study, Blynk-based water level monitoring system presented as a medium of data transmission. Blynk application is having a stand with iOS and Android apps to control Android and Raspberry pi over the Internet. We created a web dashboard where simply drag and the drop the widgets present in it. This application is installed in our iOS/Android devices which are used to monitor the water level using ultrasonic sensor …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 1–3 Read article
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Speech Recognition and Analysis using Energy of the Signal
Abstract: AbstractSpeech plays an important role in day to day communication. It is a natural way to transfer thoughts from one to another. If any information needs to deliver in between human’s speech is the best way of delivery. With the help of the electronic system, we can extract the information from the original speech signal by doing signals processing. Here, in this research work, we formulate the system that recognizes …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 25–33 Read article
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A Review on Detection of Autism Spectrum Disorder Using Signal Processing
Abstract: AbstractAutism is a neural developmental disability associated with impairments in communication and social interaction; it can be detected by various methods such as Magnetic Resonance Imaging (MRI) and Electroencephalography (EEG). MRI is a technique which captures the image of various sections of brain. It is categorised as structural MRI (sMRI) and functional MRI (fMRI). The detection involves capturing the image, removing the unwanted regions of brain, segmenting the images and …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 12–24 Read article
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Detection of Bus Driver Fatigue Based on Robust Visual Analysis of Eye State and Blowing an Alarm
Abstract: AbstractDriver's deficiency is one of the significant purposes behind car crashes, especially for drivers of wide vehicles, (for example, transports and overwhelming trucks) in perspective of conceded driving periods and fatigue in working conditions. In this paper, we propose a dream based exhaustion recognizing confirmation structure for transport driver watching, which is clear and flexible for sending in transports and critical vehicles. The structure contains modules of head-bear unmistakable evidence, …
Published in Current Trends in Signal Processing · Vol. 8, Issue 2, 2018 · pp. 34–43 Read article
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Design of PID Controller using PSO Algorithm for PFR System
Abstract: AbstractThe paper presents to design Proportional-Integral Derivative (PID) controller parameters for PFR system using Particle Swarm Optimization (PSO) Algorithm. The design goal is to minimize the optimal parameters of the integral errors and reduce transient response by minimizing overshoot, settling time and rise time of step response. First an objective function is defined, and then by minimizing the objective functions using PSO Algorithm. The PFR system is very important equipment …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 24–28 Read article
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Investigation on Various Routing Protocols in Ad Hoc Networks
Abstract: AbstractThis paper diligently investigates and analysis recent works on ad hoc network protocols and gives an in-depth comparison of all protocols, thus suggesting which one to use for higher performance. In recent years more emphasis is being laid on wireless ad hoc networks that is MANET (Mobile Ad hoc Network) or WANET (Wireless ad hoc Network). This evolution has undergone a remarkable and unstoppable change of trend. As the topology …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 7–12 Read article
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A Review on Algorithms of Cluster Head in Mobile Ad Hoc Networks
Abstract: AbstractMobile ad hoc networks consists of mobile nodes that communicates with each different with none mounted topology. Cluster head choice, energy consumption and security may be a great challenge for MANET recently. Optimizing cluster head choice minimizes the energy consumption during a specific network and in addition reduces the information transmission overheads. There are several algorithms for cluster head choice that are supported many parameters. For higher utilization of energy, …
Published in Current Trends in Signal Processing · Vol. 8, Issue 3, 2018 · pp. 1–6 Read article